Tire tread



FIG. 1 is a perspective view of a tire tread showing our new deisign, it being understood that the tread pattern is repeated throughtout the circumference of the tire tread, the opposite side being substantially the same as that shown;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view of the right side thereof, the opposite side being a mirror image thereof; and,

FIG. 4 is an enlarged fragmentary front elevational view thereof.

The dark stippled surface shading represents the recessed portion of the tread grooves, having a depth as best shown in FIG. 2; the broken lines defining the tire sidewall and inner bead are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 